xman888 - 博客园

2021年10月26日

openssl - generate PEM format private key and public key, CSR

摘要： # generate private keyopenssl genrsa -out myprivate.key # extract the public key from the private key openssl rsa -in myprivate.key -pubout -out mypub 阅读全文

posted @ 2021-10-26 15:26 xman888 阅读(163) 评论(0) 推荐(0)

openssl - generate DER format

摘要： # generate private keyopenssl genrsa -out myprivate.key # extract the public key from the private key openssl rsa -in myprivate.key -pubout -out mypub 阅读全文

posted @ 2021-10-26 15:17 xman888 阅读(43) 评论(0) 推荐(0)

openssl - generate a private key and extract the public key from it

摘要： Generating Your Private Key After deciding on a key algorithm, key size, and whether to use a passphrase, you are ready to generate your private key. 阅读全文

posted @ 2021-10-26 15:02 xman888 阅读(224) 评论(0) 推荐(0)

2021年10月25日

openssl - generate private key and extract the public key from it

摘要： Generating a private RSA key openssl genrsa -out privatekey.pem 2048 openssl rsa -in privatekey.pem -outform PEM -pubout -out publickey.pem Generating 阅读全文

posted @ 2021-10-25 13:16 xman888 阅读(45) 评论(0) 推荐(0)

openssl - x509

摘要： X.509 is a standard defining the format of public-key certificates. X.509 certificates are used in many Internet protocols, including TLS/SSL, which i 阅读全文

posted @ 2021-10-25 12:00 xman888 阅读(206) 评论(0) 推荐(0)

openssl - check certificate

摘要： openssl s_client -connect www.helloworld888.com:443 -servername www.helloworld888.com -showcerts 阅读全文

posted @ 2021-10-25 11:21 xman888 阅读(43) 评论(0) 推荐(0)

openssl - DER and PEM convert

摘要： DER and PEM are formats used in X509 and other certificates to store Public, Private Keys and other related information. OpenSSL provides a lot of fea 阅读全文

posted @ 2021-10-25 11:09 xman888 阅读(101) 评论(0) 推荐(0)

2021年10月24日

python - 复用tcp连接

摘要：通过一个tcp 连接，可以传输多个http，不需要每次发起http，都建立tcp连接了第一次发起http请求的时候，先建立tcp连接，然后通过给连接发起http请求。第二次http请求就不需要再建立tcp连接了。从抓包中看的很清晰。如果没有数据传输的话，65秒后自动被server拆线了阅读全文

posted @ 2021-10-24 16:11 xman888 阅读(284) 评论(0) 推荐(0)

2021年10月23日

nginx - reverse proxy 记录真实的访问IP地址

摘要：在proxy server的配置文件中/etc/nginx/sites-available/default 在后端池的服务器配置文件上/etc/nginx/nginx.conf 添加下面红色的内容 log_format main '$remote_addr - $remote_user [$time 阅读全文

posted @ 2021-10-23 21:58 xman888 阅读(279) 评论(0) 推荐(0)

nginx - reverse proxy 反向代理

摘要： One of the frequent uses of nginx is setting it up as a proxy server, which means a server that receives requests, passes them to the proxied servers, 阅读全文

posted @ 2021-10-23 20:52 xman888 阅读(111) 评论(0) 推荐(0)

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